How to configure data source in tomcat

Tomcat data source configuration includes the following steps: Create the data source object ( element) Set the connection parameters (URL, user name, password) Bind the JDBC database (driver, connection pool implementation) in the code Use the data source (JNDI name) in

Tomcat data source configuration

Configuration steps

Required to configure the data source in Tomcat After the following steps:

1. Create a DataSource object:

   • Add ## in theweb.xmlfile # element to create a data source object.

2. Set connection parameters:

   Specify connection parameters in the
   • element , such as URL, username and password.

3. Bind JDBC database:

   Specify JDBC in the
   • element Driver and connection pool implementation.

4. Use the data source in the application:

   Get the data source object through the JNDI name in the Java code and create it connect.

 jdbc/myDataSource javax.sql.DataSource 

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 ...  url jdbc:mysql://localhost:3306/mydatabase   username root   password   

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 ...  driverClassName com.mysql.jdbc.Driver   maxActive 10   maxIdle 5  

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Context initContext = new InitialContext(); Context envContext = (Context) initContext.lookup("java:comp/env"); DataSource dataSource = (DataSource) envContext.lookup("jdbc/myDataSource");

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